Home / 13,998.52-19,317.96-7,710.90

Finding the Fourth Proportional to 13,998.52, 19,317.96 and 7,710.90

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Solution

The fourth proportional to 13,998.52, 19,317.96 and 7,710.90 is: 10,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.52 : 19,317.96 = 7,710.90 : x
  2. Step 2: Convert to fraction form
    13,998.52/19,317.96 = 7,710.90/x
  3. Step 3: Cross multiply
    13,998.52x = 19,317.96 × 7,710.90
  4. Step 4: Simplify right side
    13,998.52x = 148,958,785.32
  5. Step 5: Solve for x
    x = 148,958,785.32/13,998.52
  6. Step 6: Final answer
    x = 10,641.04

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.